Answer: serpentines

AnswerCrossword Clue
serpentinesA thing in the shape of a winding curve or line, in particular
serpentinesA riding exercise consisting of a series of half-circles made alternately to right and left
serpentinesSERPENTINE
serpentinesA dark green mineral consisting of hydrated magnesium silicate, sometimes mottled or spotted like a snake's skin
serpentinesA kind of cannon, used esp. in the 15th and 16th centuries